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  <title>SPEK(1) User’s Guide | Version 0.8.5</title>
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<h1 class="title">SPEK(1) User’s Guide | Version 0.8.5</h1>
<p class="author"></p>
<p class="date">2023-01-09</p>
</header>
<h1 id="name">NAME</h1>
<p>Spek - Acoustic Spectrum Analyser</p>
<h1 id="synopsis">SYNOPSIS</h1>
<p><code>spek</code> [<em>OPTION</em> <em>…</em>] [<em>FILE</em>]</p>
<h1 id="description">DESCRIPTION</h1>
<p><em>Spek</em> generates a spectrogram for the input audio file.</p>
<h1 id="options">OPTIONS</h1>
<dl>
<dt><code>-h</code>, <code>--help</code></dt>
<dd>Output the help message then quit.
</dd>
<dt><code>-V</code>, <code>--version</code></dt>
<dd>Output version information then quit.
</dd>
</dl>
<h1 id="keybindings">KEYBINDINGS</h1>
<h2 id="notes">Notes</h2>
<p>On OS X use the Command key instead of Ctrl.</p>
<h2 id="menu">Menu</h2>
<dl>
<dt><code>Ctrl-O</code></dt>
<dd>Open a new file.
</dd>
<dt><code>Ctrl-S</code></dt>
<dd>Save the spectrogram as an image file.
</dd>
<dt><code>Ctrl-E</code></dt>
<dd>Show the preferences dialog.
</dd>
<dt><code>F1</code></dt>
<dd>Open online manual in the browser.
</dd>
<dt><code>Shift-F1</code></dt>
<dd>Show the about dialog.
</dd>
</dl>
<h2 id="spectrogram">Spectrogram</h2>
<dl>
<dt><code>c</code>, <code>C</code></dt>
<dd>Change the audio channel.
</dd>
<dt><code>f</code>, <code>F</code></dt>
<dd>Change the DFT window function.
</dd>
<dt><code>l</code>, <code>L</code></dt>
<dd>Change the lower limit of the dynamic range in dBFS.
</dd>
<dt><code>p</code>, <code>P</code></dt>
<dd>Change the palette.
</dd>
<dt><code>s</code>, <code>S</code></dt>
<dd>Change the audio stream.
</dd>
<dt><code>u</code>, <code>U</code></dt>
<dd>Change the upper limit of the dynamic range in dBFS.
</dd>
<dt><code>w</code>, <code>W</code></dt>
<dd>Change the DFT window size.
</dd>
</dl>
<h1 id="files">FILES</h1>
<dl>
<dt><em>~/.config/spek/preferences</em></dt>
<dd>The configuration file for <em>Spek</em>, stored in a simple INI format.
</dd>
</dl>
<h1 id="authors">AUTHORS</h1>
<p>Alexander Kojevnikov <a href="mailto:alexander@kojevnikov.com" class="email">alexander@kojevnikov.com</a>. Other contributors are listed in the LICENCE.md file distributed with the source code.</p>
<h1 id="distribution">DISTRIBUTION</h1>
<p>The latest version of <em>Spek</em> may be downloaded from <a href="http://spek.cc" class="uri">http://spek.cc</a>.</p>
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